Perhaps you should try some spelling variations:
chen young » chen yong, chen yang, chen chung
young john » kong john, wong john, young jean
john song » john wong, john bonn, john ngosong
lang yan » wang yang, zhang yan, yang yang
song sau » wong sau, kong sar, song pae
yang yi » yang di, yang jui
yang xi » yang di, yang jui

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((lang yan) or (wang yan)) ((yang yi) OR (yang xi)) chen young john song sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((lang yan) OR (wang yan)) ((yang yi) OR (yang xi)) chen young john song sau ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yan) or (wang yan)) ((yang yi) OR (yang xi)) chen young john song sau ;".
• Adding a wildcard symbol may retrieve word variants: ((lang yan) or (wang yan)) ((yang yi) OR (yang xi)) chen young john song sau ;*.